Ideal for a large production line, the SRAML multi-head rotary capper applies non-threaded aluminium screw caps on glass or PET bottles by rolling the thread on the cap and sealing it tightly.
Composed of the multiple stainless-steel capping heads mounted on a rotating carousel, the rotary unit enables multiple bottles to be capped at the same time in a continuous, non-stop motion, which makes them extremely efficient and ideal for very large manufacturing lines.
- “No cap — no roll” safety system stops if the bottle is not in place
Method of operation:
After the caps have been sorted according to their positions in the bowl sorter, the caps are feed to the capper via an open chute. A towing shoe positions the caps, which are then directly picked up by the bottle. The bottles with caps one are transferred to the turret star-wheel where the rotating sealing heads descend onto them and begin the cap application process. The sealing head will first apply a top load to the closure to compress the liner within the cap to achieve a proper seal with the land of the bottle finish. The arms of the sealing head are then pushed inward and the thread rollers and pilfer rollers contact the cap to form it, so that it adopts the shape of the thread and pilfer grove of the neck finish of the bottle. If a cap is missing, a safety plunger prevents contact between the rollers and the bottle neck finish. All the components motions are cam operated, allowing repeatability of capping process on all the bottles. Capped bottles are transported from the turret with the help of a star wheel.
Main features:
- Centrifugal or mechanical cap sorter-feeder mounted on top of the machine.
- Cap descending chute with minimum cap level sensor.
- Towing shoe mounted on chute.
- Roll on sealing heads, with “no cap no roll safety system (for one cap size).
- Capping head motion unit, cam operated.
- Electrical height adjustment.
Additional applications:
- UV lamp for cap disinfection.
- Nitrogen injection in the bottle neck, before cap distribution.
- Cap steaming.
- Cap chute with towing shoe, for additional cap.
- Additional roll on capping head for additional cap.